package cn.tedu.egweibo1.controller;

import cn.tedu.egweibo1.base.response.JsonResult;
import cn.tedu.egweibo1.base.response.StatusCode;
import cn.tedu.egweibo1.mapper.UserMapper;
import cn.tedu.egweibo1.pojo.dto.UserLoginParam;
import cn.tedu.egweibo1.pojo.dto.UserRegParam;
import cn.tedu.egweibo1.pojo.entity.User;
import cn.tedu.egweibo1.pojo.vo.UserVO;
import com.github.xiaoymin.knife4j.annotations.ApiOperationSupport;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import springfox.documentation.annotations.ApiIgnore;

import javax.servlet.http.HttpSession;
import java.util.Date;

@Api(tags = "01.用户管理系统")
@Slf4j
@RestController
@RequestMapping("/v1/users")
public class UserController {
    @Autowired UserMapper userMapper;

    @PostMapping("reg")
    @ApiOperation("注册")
    @ApiOperationSupport(order=10)
    public JsonResult reg(@RequestBody @Validated UserRegParam userRegParam){
        log.debug("userRegParam:{}",userRegParam);
        String username = userRegParam.getUsername();
        int a = userMapper.selectByUsername(username);
        if(a>0){
            return new JsonResult(StatusCode.USERNAME_EXISTS);
        }
        User user = new User();
        BeanUtils.copyProperties(userRegParam,user);
        user.setCreateTime(new Date());
        userMapper.insertUser(user);
        return JsonResult.ok();
    }


    @PostMapping("login")
    @ApiOperation("登录功能")
    @ApiOperationSupport(order=20)
    public JsonResult login(@RequestBody UserLoginParam userLoginParam, @ApiIgnore HttpSession session){
        log.debug("userLoginParam:"+userLoginParam);
        String username = userLoginParam.getUsername();
        String password = userLoginParam.getPassword();
        UserVO userVO = userMapper.selectLogin(username,password);
        if (userVO==null){
            return new JsonResult(StatusCode.USERNAME_PASSWORD_ERROR);
        }
        session.setAttribute("user",userVO);
        return JsonResult.ok();
    }

    @GetMapping("currentUser")
    @ApiOperation("获取当前用户功能")
    @ApiOperationSupport(order=30)
    public JsonResult currentUser(@ApiIgnore HttpSession session){
        UserVO userVO = (UserVO) session.getAttribute("user");
        return JsonResult.ok(userVO);
    }


    @GetMapping("logout")
    @ApiOperation("退出登录")
    @ApiOperationSupport(order=40)
    public void logout(@ApiIgnore HttpSession session){
        session.removeAttribute("user");
    }




























}
